Seiko Cal. 7181 - 387

The Seiko 7181-387 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-a445c7be7097]

Also known as: Turtle, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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